get_tags( string|array $args = '' )

Retrieves all post tags.

Parameters

$args

(Optional) Arguments to retrieve tags. See get_terms() for additional options.<br>

  • 'taxonomy'
    (string) Taxonomy to retrieve terms for. Default 'post_tag'.<br>

Default value: ''

Return

(WP_Term[]|int|WP_Error) Array of 'post_tag' term objects, a count thereof, or WP_Error if any of the taxonomies do not exist.

Source

File: wp-includes/category.php 

function get_tags( $args = '' ) {
	$tags = get_terms( 'post_tag', $args );

	if ( empty( $tags ) ) {
		$return = array();
		return $return;
	}

	/**
	 * Filters the array of term objects returned for the 'post_tag' taxonomy.
	 *
	 * @since WP-2.3.0
	 *
	 * @param array $tags Array of 'post_tag' term objects.
	 * @param array $args An array of arguments. @see get_terms()
	 */
	$tags = apply_filters( 'get_tags', $tags, $args );
	return $tags;
}

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Changelog

Changelog
Version Description
2.3.0 Introduced.